2431430140 has 24 divisors (see below), whose sum is σ = 5107676112. Its totient is φ = 972253440.

The previous prime is 2431430081. The next prime is 2431430159. The reversal of 2431430140 is 410341342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48372 + ... + 84868.

It is an arithmetic number, because the mean of its divisors is an integer number (212819838).

Almost surely, 2^2431430140 is an apocalyptic number.

2431430140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431430140 is an abundant number, since it is smaller than the sum of its proper divisors (2676245972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431430140 is a wasteful number, since it uses less digits than its factorization.

2431430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39837 (or 39835 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2431430140 is about 49309.5339665667. The cubic root of 2431430140 is about 1344.6851185878.

Adding to 2431430140 its reverse (410341342), we get a palindrome (2841771482).

The spelling of 2431430140 in words is "two billion, four hundred thirty-one million, four hundred thirty thousand, one hundred forty".